log4cplus is a simple to use C++ logging API providing thread-safe, flexible, and arbitrarily granular control over log management and configuration. It is modelled after the Java log4j API.
A simple, and lightweight program to display and format Bukkit logs.
Bukkit LogViewer is a simple, easy-to-use and lightweight program, which loads Bukkit server logs, and highlights the different logs, depending on the logger level.
Below is a colour code:
FINE = > green
FINER = > green
FINEST = > green
INFO = > cyan
SEVERE = > red
WARNING = > yellow